public class Example01 {
    public static void main(String[] args) {
        int productId = 1001;
        String productName = "手机";
        double price = 2999.99;
        boolean isAvailable = true;
        char category = 'E';
        short inventory = 500;
        long quantity = 1234567890123L;
        float discount = 0.8f;
        byte life = 10;
        System.out.println("商品编号:" + productId);
        System.out.println("商品名称:" + productName);
        System.out.println("商品价格:" + price);
        System.out.println("是否可用:" + isAvailable);
        System.out.println("商品分类:" + category);
        System.out.println("库存数量:" + inventory);
        System.out.println("已售数量:" + quantity);
        System.out.println("商品折扣:" + discount * 100 + "%");
        System.out.println("使用寿命:" + life);
    }
}